<PRE><B>Question 616007</B>
If I have an 80 in the class and the final exam is worth 15% what is the lowest grade I could get to keep my 80?
Your total points for the course are in 2 categores: 85% and 15%
You have 80% of the 85% and you want to know what percent you need of the 15%.
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Equation:
0.80*0.85 + x%*0.15 = 80%*100%
Multiply thru by 100*100 to get:
80*85 + x*15 = 80*100
15x = 1200
x = 80
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You need to get 80% on the final exam.
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Cheers,
Stan H.
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